https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14008894Edit ImageSaveSaveEditCropCustom TextCouch grass (Elymus repens) with an associated insect and its abdominal segments. Coloured etching, c. 1830.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 802 x 1200 px | 300 dpiLarge JPEG 1524 x 2281 px | 300 dpiFree DownloadCouch grass (Elymus repens) with an associated insect and its abdominal segments. Coloured etching, c. 1830.More